Some days, the future can seem like a dark place, likely full of despair, excessive pollution, and killer robots. But, not today. Today, we want to know what it is that makes you optimistic about the future.

Maybe it's the connectivity and power of the internet that's letting us have this conversation right now. Maybe it's a book you just read or a movie you just watched. Maybe it's the sheer awesomeness of the fact that we put a robot on Mars.

Whatever it is that has you squinting off into the sun and thinking that you just might like our chances after all, tell us about it now in the comments below.